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Table 4 Antipsychotic dosages in milligrams used in therapy

From: Use of antipsychotic and antidepressant within the Psychiatric Disease Centre, Regional Health Service of Ferrara

Drug

DDD

Dosage

SPC

Most commonly prescribed dosage, mg

% Patients with add-on anticholinergic

  

Minimum

Mean

Maximum

   

SGAs

Aripiprazole

15

2.5

13.16

30

10-30

10

2.3

Olanzapine

10

1.3

8.6

20

5-20

5

6.7

Quetiapine

400

12.5

230.6

1200

200-800

200

2.6

Risperidone

5

0.5

3.7

9

2-16

2

11

Clozapine

300

25

179.5

450

200-450

100

10.5

FGAs

Haloperidol

8

1

3.71

8

60

2

27

Clotiapine

80

14

38.6

100

100-120

50

87.6

Levomepromazine

300

12.5

25

50

75-300

25

0

Chlorpromazine

300

62.5

62.5

100

30-75

50

50.4

  1. Trascrizione fonetica
  2. DDD, Defined Daily Dose;
  3. SPC, Summary of Product Characteristics;
  4. SGA, second-generation antipsychotic;
  5. FGA, first-generation antipsychotics.